Accession Number PB2013-106378
Title Biomarkers of Human Decomposition Ecology and the Relationship to Postmortem Interval.
Publication Date Mar 2013
Media Count 91p
Personal Author F. E. Damann
Abstract Microbial putrefaction of a corpse leaves signatures in the landscape and bone. Within this relationship exists the potential for refining models of postmortem interval (PMI) estimation based on increased understanding of the physicochemical characteristics and bacterial metagenomic profiles of the human decomposition environment. Therefore, microbial biomarkers and characterization of gravesoil ecology have a great potential to benefit the work of forensic anthropologists in interpreting postmortem history. Unfortunately, this potential is only recently becoming realized and suffers from a lack of basic research. Using bone and soil samples acquired from The University of Tennessee Anthropology Research Facility (ARF), this study provides baseline physicochemical and bacterial community data for developing methods to estimate better estimate PMI. This project evaluated the physicochemical and microbial characteristics of ARF soils, non- ARF soils, and skeletal tissue exposed to various levels of human decomposition and advancing PMIs. Soil was evaluated for eight different physicochemical parameters and a biological similarity matrix of identified bacterial taxa from sequencing the 16S rRNA gene was generated from soil and bone.
Keywords Anthropology Research Facility(ARF)
Decomposition
Ecology
Forensic anthropologists
Microbial biomarkers
Physicochemical characteristics
Porstmortem interval(PMI)
Postmortem


 
Source Agency Department of Justice General
NTIS Subject Category 57F - Cytology, Genetics, & Molecular Biology
57H - Ecology
99D - Basic & Synthetic Chemistry
Corporate Author National Criminal Justice Reference Service, Washington, DC.
Document Type Technical report
Title Note N/A
NTIS Issue Number 1316
Contract Number N/A

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